<template>
  <section class="header">
    <!-- 折叠按钮 -->
    <!-- <div class="collasp-btn" @click="collapseChage">
      <i class="el-icon-menu"></i>
    </div>
    <div class="logo">后台管理系统</div> -->
    <div class="header-right">
      <div class="header-user-con">
      <!-- 全屏显示 -->
        <!-- <div class="btn-fullscreen"  @click="handleFullScreen">
            <el-tooltip effect="dark" :content="fullscreen?`取消全屏`:`全屏`" placement="bottom">
                <i class="el-icon-rank"></i>
            </el-tooltip>
        </div> -->
        <!-- 消息中心 -->
        <div class="btn-bell">
          <el-tooltip effect="dark" :content="message?`有${message}条未读消息`:`消息中心`" placement="bottom">
            <router-link to="/tabs">
              <i class="el-icon-bell"></i>
            </router-link>
          </el-tooltip>
          <span class="btn-bell-badge" v-if="message"></span>
        </div>
        <!-- 用户头像 -->
        <!-- <div class="user-avator">
          <img :src="user.userIcon || faceUrl">
        </div> -->
        <!-- 用户名下拉菜单 -->
        <el-dropdown class="user-name" trigger="click" @command="handleCommand">
          <span class="el-dropdown-link">
              {{userName}} <i class="el-icon-caret-bottom"></i>
          </span>
          <el-dropdown-menu slot="dropdown">
              <a href="###" target="_blank">
                  <el-dropdown-item>个人中心</el-dropdown-item>
              </a>
              <a href="###" target="_blank">
                  <el-dropdown-item>个人信息</el-dropdown-item>
              </a>
              <div @click="logout()">
                <el-dropdown-item>退出登录</el-dropdown-item>
              </div>
              
          </el-dropdown-menu>
        </el-dropdown>
      </div>
    </div>
  </section>
</template>
<script>
import bus from './bus';
import Client from "../../assets/js/common.js";
export default {
  data() {
    return {
      fullscreen: false,
      collapse: false,
      message: 2,
      user: {},
      userName: "admin",
      faceUrl: require("../../assets/images/img.jpg")
    }
  },
  created() {
    
  },
  // computed:{
  //   username(){
  //     let username = localStorage.getItem('ms_username');
  //     return username ? username : this.name;
  //   }
  // },
  methods: {
    logout() {
      Client.removeStore("CMSToken");
      this.$router.push("/login");
    },
    handleCommand(command) {
      if(command == 'loginout'){
        localStorage.removeItem('ms_username')
        this.$router.push('/login');
      }
    },
    // 侧边栏折叠
    collapseChage(){
      this.collapse = !this.collapse;
      bus.$emit('collapse', this.collapse);
    },
    // 全屏事件
    handleFullScreen(){
      let element = document.documentElement;
      if (this.fullscreen) {
          if (document.exitFullscreen) {
              document.exitFullscreen();
          } else if (document.webkitCancelFullScreen) {
              document.webkitCancelFullScreen();
          } else if (document.mozCancelFullScreen) {
              document.mozCancelFullScreen();
          } else if (document.msExitFullscreen) {
              document.msExitFullscreen();
          }
      } else {
          if (element.requestFullscreen) {
              element.requestFullscreen();
          } else if (element.webkitRequestFullScreen) {
              element.webkitRequestFullScreen();
          } else if (element.mozRequestFullScreen) {
              element.mozRequestFullScreen();
          } else if (element.msRequestFullscreen) {
              // IE11
              element.msRequestFullscreen();
          }
      }
      this.fullscreen = !this.fullscreen;
    }
  },
}
</script>
<style lang="less" scoped>
.header {
  position: relative;
  box-sizing: border-box;
  width: 100%;
  height: 70px;
  font-size: 22px;
  color: #fff;
  background-color: #4491e0;
  padding: 0 20px;
  .collasp-btn {
    float: left;
    cursor: pointer;
    line-height: 70px;
    padding-right: 20px;
  }
  .logo {
    float: left;
    width: 250px;
    line-height: 70px;
  }
  .header-right {
    height: 70px;
    float: right;
    padding-right: 50px;
    display: flex;
    align-items: center;
    .header-user-con {
      height: 100%;
      display: flex;
      align-items: center;
      .btn-fullscreen{
        position: relative;
        width: 30px;
        // height: 30px;
        text-align: center;
        border-radius: 15px;
        cursor: pointer;
        transform: rotate(45deg);
        margin-right: 5px;
        font-size: 24px;
      }
      .btn-bell {
        position: relative;
        width: 30px;
        // height: 30px;
        text-align: center;
        border-radius: 15px;
        cursor: pointer;
        .btn-bell-badge {
          position: absolute;
          right: 0;
          top: -2px;
          width: 8px;
          height: 8px;
          border-radius: 4px;
          background: #f56c6c;
          color: #fff !important;
        }
      }
      .user-avator {
        margin-left: 20px;
        img{
          display: block;
          width:40px;
          height:40px;
          border-radius: 50%;
        }
      }
      .user-name{
        margin-left: 10px;
        color: white;
      }
    }
    
  }
}
</style>

